I did a little search and found a few reviews:
Tokina AF 35mm f/2.8 AT-X M35 PRO DX | Tokina | Lenses | Review
FM Reviews - AT-X M35 PRO DX
edit - found a fullsized shot here:
http://www.flickr.com/photos/mdstoop/4049219519/sizes/o/
The important thing is that the reviews state the minimum focusing distance for this lens is 14cm however that is the distance from the subject to the camera sensor, not the front of the lens - that is the called the working distance and in most cases its not a quoted distance as it has little effect on the shot == but in macro work its a very important distance to know. This is is because of two factors.
1) Insects - if you are not intending to shoot insects then this is not a concern, but the closer you are to the subject the more chance you have of spooking the insect and thus losing your shot. Idealy a lens of at least 90mm in focal length (or more) is recomended for macro work with insects because focal length determins the minimum focus (and thus working distance) of the lens. Lenses in the 60mm to 70mm** are also on the market in macro and tend to be the more budget friendly, but their working distances are shorter by far, not impossible to work with, but a might be harder to master.
2) Lens shadowing - important for lighting considerations and is something that the user review in the second link brings up. Especailly if your working with flash (which is often the case with macro, espescaily if your handholding). This is when the lens itself starts to cast a shadow over your subject - again a tricky thing with insects and something you have to consider carefully with your lighting choices.
Another point which is more geared at this lens is the background blur effect (bokeh as it has come to be called by many). For most a creamy blurred background is the desired effect and the longer the focal length of a macro lens the more blurred the background will be. The 60-70mm options still do a good job of background blur; but when you start looking at the wide angle macro lenses you begin to have the background becoming a slightly more defined element. I did have a link (somewhere) where someone showed this effect with a series of macro lenses and shots - but I can't find it.
As a final point (because this often catches and confuses people) a true macro lens (with the 35mm is) achive a macro ratio of 1:1 which means the subject in real life is reflected onto the camera sensor at life size. So a 1mm object will have a 1mm reflection on the camera sensor. Because of this when focused at 1:1 any macro lens (on the same sized camera sensor) will give you the very same subject framing - be it a 35mm or a 300mm. Differences though will be as mentioned - the 300mm will allow you to focus from further off and have increased blur of the background. An additional point (which is often hotly debated) is that the longer the focal length the less depth of field there will be (area of a shot in focus) at a fixed aperture - as far as I can tell with macro this is somewhat true, but the amount gained/lost is very tiny and makes rather little difference in the end shot.
** there are also some 50mm options on the market but they tend to be (on the whole) very budget line options and of poorer build quality. Some (like hte canon 50mm macro) are not even proper (1:1) macro lenses and need an adaptor to get to 1:1 - at which point 50mm+adaptor is more in cost than an EFS60mm macro or a 70mm sigma macro (since the sigma 70mm is a fullframe comptable lens)
edit - the following article might be of interest- scroll down and it has a table with minimum focusing distances and working distances for different focal lengths:
Juza Nature Photography
This is mostly true but there are some newer lenses on the market which are starting to change things - namly the new Tamron 60mm macro which has a minimum focusing distance more similar to a 100mm lens.
edit: I found an example of wide angle macro shots:
Unno_2
not hte best macro I have seen, but it gives you an idea of the effect - note that some of them have been taken with a fisheye lens so there is more distortion effect going on than would happen with the 35mm - its more to show the increased presence of the background in the shot that the shorter focal length macro lens helps to achive